Two boys, one with injuries to his arms and another with a fractured elbow, visit the hospital for treatment, and a girl has six teeth removed. Plus, one youngster has his operation postponed when it is discovered he has secretly been eating sweets before his surgery

Sian's new deputy is a familiar face to the rest of the staff. Meanwhile, Grug and Aled suspect Beca is not being honest regarding her unexpected absence, but neither are prepared for the scene that awaits them at Crwban

Jason Mohammad, Beti George and Dr Anwen Jones trace the history of Wales in an attempt to understand who Welsh people are and what separates them from the rest of the world. Using ground-breaking genetic science, Bryn Terfel, Sian Lloyd and Gareth Edwards learn the secrets of their ancestors

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